curl -H "Authorization: Bearer nex_live_YOUR_KEY" \
     -H "NexSpace-Version: 2026-07-24" \
     https://api.nexspace365.com/api/facilities

curl https://api.nexspace365.com/.well-known/api-versions

{
  "versions": [
    {
      "date": "2026-05-10",
      "label": "Initial public API (headless ecosystem launch)"
    },
    {
      "date": "2026-07-22",
      "label": "Headless AI Tier 1: agent-run API (agents:run) with SSE streaming, MCP request-id correlation, MCP idempotency, and registry tool outputSchema. Headless AI Tier 2: approval resolution loop …"
    },
    {
      "date": "2026-07-23",
      "label": "Headless AI Tier 3: in-product agent automations — agent trigger CRUD …"
    },
    {
      "date": "2026-07-24",
      "label": "Headless AI follow-on: broadened event triggers …"
    }
  ],
  "latest": "2026-07-24"
}